/*

* Copyright (c) 2002-2005 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Helper class for idle wait

 *

*/

// INCLUDE FILES

#include "CCAIdleWait.h"

#include "ChatDefinitions.h"

#include "ChatDebugPrint.h"

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------

// CCAIdleWait::IdleWaitL()

// ---------------------------------------------------------

//

void CCAIdleWait::IdleWaitL( const TInt* aCallbackFlag /* = NULL */ )

    {

    CHAT_DP_FUNC_ENTER( "CCAIdleWait::IdleWaitL" );

    CCAIdleWait* wait = new( ELeave )CCAIdleWait( aCallbackFlag );

    CleanupStack::PushL( wait );

    wait->DoIdleWaitL();

    CleanupStack::PopAndDestroy( wait );

    CHAT_DP_FUNC_ENTER( "CCAIdleWait::Done" );

    }

// ---------------------------------------------------------

// Constructor

// ---------------------------------------------------------

//

CCAIdleWait::CCAIdleWait( const TInt* aCallbackFlag )

        : iCallbackFlag( aCallbackFlag )

    {

    }

// ---------------------------------------------------------

// Destructor

// ---------------------------------------------------------

//

CCAIdleWait::~CCAIdleWait()

    {

    CHAT_DP_FUNC_ENTER( "CCAIdleWait::~CCAIdleWait" );

    DoIdleStop();

    delete iIdle;

    CHAT_DP_FUNC_DONE( "CCAIdleWait::~CCAIdleWait" );

    }

// ---------------------------------------------------------

// CCAIdleWait::DoIdleWaitL()

// ---------------------------------------------------------

//

void CCAIdleWait::DoIdleWaitL()

    {

    CHAT_DP_FUNC_ENTER( "CCAIdleWait::DoIdleWaitL" );

    // create the idle callback

    iIdle = CIdle::NewL( CActive::EPriorityIdle );

    iIdle->Start( TCallBack( Callback, this ) );

    // and wait for completion

    // not a active object hence codescanner warning can be ignored

    if ( ! iWait.IsStarted() )

        {

        iWait.Start();  // CSI: 10 # iWait is not an active object

        }

    CHAT_DP_FUNC_DONE( "CCAIdleWait::DoIdleWaitL" );

    }

// ---------------------------------------------------------

// CCAIdleWait::DoIdleStop()

// ---------------------------------------------------------

//

void CCAIdleWait::DoIdleStop()

    {

    CHAT_DP_FUNC_ENTER( "CCAIdleWait::DoIdleStop" );

    if ( iWait.IsStarted() )

        {

        iWait.AsyncStop();

        }

    CHAT_DP_FUNC_DONE( "CCAIdleWait::DoIdleStop" );

    }

// -----------------------------------------------------------------------------

// CCAIdleWait::Callback

// -----------------------------------------------------------------------------

//

TBool CCAIdleWait::Callback( TAny* aInstance )

    {

    CHAT_DP_FUNC_ENTER( "CCAIdleWait::Callback" );

    CCAIdleWait* wait = static_cast<CCAIdleWait*>( aInstance );

    // stop the waiting

    const TInt* flag = wait->iCallbackFlag;

    if ( flag )

        {

        if ( *flag )

            {

            // Continue waiting.

            return ETrue;

            }

        }

    wait->DoIdleStop();

    CHAT_DP_FUNC_DONE( "CCAIdleWait::Callback" );

    return EFalse;

    }

//  End of File